$theme:#007bff!default; //主题色
$themeopacity:#e5f2ff; //主题色透明
$themered:#ee3e31!default; //主题色
$color:#222;              //文字的颜色
$colormore:#777;              //文字的颜色

$fontsize:14px;
$fontsizebt:15px;
$fontsizebt2:16px;
$fontsizetitle:18px;

$bg:#f3f5f7;              //背景色
$bgfff:#ffffff;              //背景色#fff
$border:#e7e7e7;      //边框的颜色

$lineLimit:'';     //多行省略的函数
$lineHeight:'';

@mixin multi-line-ellipsis($lineLimit, $lineHeight) {   //多行省略
  line-height: $lineHeight;
  display: -webkit-box;
  overflow: hidden; 
  word-break: break-all; 
  text-overflow: ellipsis; 
  -webkit-line-clamp: $lineLimit;
-webkit-box-orient: vertical;
}
@mixin single-line-ellipsis {  //单行省略
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
@mixin position-center {  //块元素百分比下居中
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
@mixin container-center { //子元素水平平均地分布，垂直居中
  @include flex-box;
  justify-content: space-around;
  align-items: center;
}


